LOL Baby! I Put The Happy in Mother's Day Baby Football Jersey Bodysuit Approximate sizing: 6 Months (7-17 pounds), 12 Months (17-25 pounds), 18 Months (25-30 pounds); 24 Months (30-35 pounds.) Premium quality fine jersey ringspun cotton. Super soft and smooth. Excellent quality. 4.5 oz. 60/40 combed ringspun cotton/polyester. Reinforced three-snap closure for easy diaper changes